undetectable

英 [ˌʌndɪˈtektəbl]

美 [ˌʌndɪˈtektəbl]

adj.  看不见的; 察觉不出的; 发现不了的

BNC.33908 / COCA.22327

牛津词典

adj.

• 看不见的；察觉不出的；发现不了的
  impossible to see or find
  1. The sound is virtually undetectable to the human ear.
     这声音实际上是人耳难以听得到的。

英英释义

adj

• barely able to be perceived
  1. the transition was almost indiscernible
  2. an almost insensible change
  Synonym:indiscernibleinsensible
• not easily seen

双语例句

• The implication is that the effect is to make what was undetectable detectable.
  这就意味着它的效果，就是让未曾现形的密码现形。
• Picking locks is now undetectable to everyone standing around watching.
  开锁现在不被那些在周围守卫的人注意。
• There we read the Buddha's words on how cream of ghee is always present within all forms and modifications of milk, but is undetectable until it has been purified of its obscuring elements.
  那里我们读到佛经的文字如何酥油的精华表现为所有的形式和牛奶的改变，但是它是无法察觉的直到它已经给从它遮蔽的元素之中纯化了。
• Be careful to benchmark before making a decision on this basis: the overhead of Spring AOP proxying is all but undetectable in normal use.
  在这个基础上做决定前要小心基准：SpringAOP代理的负载在通常使用中是无法觉察到的。
• The peak force and peak pressure greatly increased in some donor great toes, but distinctly decreased, even undetectable for some others.
  部分供足砪趾的峰压力、峰压强异常增高，而另有部分供趾的则明显降低甚至缺失；
• The advantage to criminals is that kernel malware is usually undetectable when using standard antivirus and antispyware applications.
  罪犯的优势是内核恶意软件用标准抗病毒和抗间谍应用程序通常检测不到。
• The Caraway and liquorice compounds reached their peaks in the breast milk two hours after consumption, while the banana compound became undetectable after one hour.
  香菜和甘草在乳汁中的含量在进食后2小时达到高峰，而香蕉化合物在1小时后就检测不到了。
• Seven out of eight patients who got the highest dose of the drug had undetectable levels of the virus.
  八名患者中七名在服用最大剂量药物后探测不到病毒水平。
• Like a criminal he began to fashion in his own mind the undetectable crime.
  好像一个罪犯，他开始通盘考虑这件不能为外人发现的罪行。
• Thus, although HAART may achieve undetectable virus levels in the blood, virus replication in the testis may permit continued spread of the virus.
  这样，即使高强度的抗病毒治疗能够使得血液中病毒达到检测不到的水平，睾丸组织中病毒的复制仍然可以成为传染源。